Huawei H12-891 Online Practice Questions and Exam Preparation

Huawei H12-891 Online Questions & Answers

• Question 651:

  Telemetry is a technology that remotely collects data from physical or virtual devices at high speed, and has a layered protocol stack. Which of the following layers is not included in the telemetry protocol stack?

  A. Communication layer
  B. Transport layer
  C. Data encoding layer
  D. Data analysis layer
  D. Data analysis layer

• Question 652:

  The figure shows an inter-AS MPLS L3VPN Option C (Solution 2) deployment. ASBR-PE2 is connected to CE3 and runs eBGP. To enable full communication among all CEs, which BGP address families must have peer relationships established on ASBR-PE2? (Choose two)

  A. VPNv4 address family
  B. BGP-LS address family
  C. VPN instance unicast address family
  D. Unicast BGP address family
  A. VPNv4 address family
  D. Unicast BGP address family

• Question 653:

  Which of the following options enables encapsulation and unencapsulation of VXLAN messages?

  A. VBDIF
  B. VLANIF
  C. BD
  D. VTEP
  D. VTEP

• Question 654:

  Which BGP messages will include BGP Keychain authentication information? (Choose four)

  A. Update
  B. Notification
  C. Keeplive
  D. Open
  A. Update
  B. Notification
  C. Keeplive
  D. Open

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  Explanation

• Question 655:

  On the network shown in the following figure, a remote LDP session needs to be established between SWA and SWC. Which of the following statements is correct?

  [SWA] mpls lsr-id 1.1.1.1 [SWA] mpls [SWA-mpls] mpls ldp

  [SWC] mpls lsr-id 33.3.3.3 [SWC] mpls [SWC-mpls] mpls ldp

  SWA ---- SWB ---- SWC <------ Remote LDP Session ------>

  A. You don't need to specify the LSR ID of the remote peer.
  B. You need to configure the directly connected interfaces between SWA and SWC to set up TCP connections.
  C. The existing configuration is correct.
  D. You need to create a remote peer and specify an LSR ID for the remote peer.
  D. You need to create a remote peer and specify an LSR ID for the remote peer.

• Question 656:

  Which of the following number sequences can be matched by the regular expression 100.s?

  A. 100
  B. 10000
  C. 1000
  D. 1001
  C. 1000

• Question 657:

  SR-MPLS uses the MPLS forwarding plane, and therefore requires MPLS to be enabled. Which of the following conditions must be met for MPLS to be automatically enabled on an interface? (Choose two)

  A. The SRGB is configured for the IGP process.
  B. Segment routing is enabled for IGP, and IGP is enabled on the interface.
  C. The static adjacency label of the corresponding interface is configured in the segment routing view.
  D. Segment routing is enabled in the system view.
  B. Segment routing is enabled for IGP, and IGP is enabled on the interface.
  D. Segment routing is enabled in the system view.

• Question 658:

  When deploying BGP/MPLS IP VPN, OSPF's VPN route tag is not present. The extended attributes of MP-BGP are passed only locally and are meaningful only on routers that receive MP-BGP routes and generate OSPF LSAs.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 659:

  If you need to configure routing policies on a router, which of the following parameters can an administrator use to match routes when deploying a routing policy? (Choose two)

  A. Protocol
  B. Size of the packet
  C. Application
  D. Throughput identification of a specific terminal system
  A. Protocol
  B. Size of the packet

• Question 660:

  A campus deployed both IPv4 and IPv6 networks for service testing and ran IS-IS to interconnect the networks. (The IS-IS routing protocol has good scalability and is widely used in live networks.) Regarding IS-IS extensibility, which of the following statements is correct? (Choose trhree)

  A. In order to support IPv6, IS-IS needs to add TLVs to carry IPv6 address information
  B. IS-IS uses a TLV structure to build messages, making IS-IS more flexible and extensible
  C. NLPID is a new type of TLV added by IS-IS to support IPv6
  D. For IS-IS, adding new features simply requires adding a new TLV
  A. In order to support IPv6, IS-IS needs to add TLVs to carry IPv6 address information
  B. IS-IS uses a TLV structure to build messages, making IS-IS more flexible and extensible
  D. For IS-IS, adding new features simply requires adding a new TLV